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Description
To operate a high-precision light rangefinder in a wide temperature range (-10 +40) ° C, as well as to resolve the ambiguity of the measurement, it is necessary to ensure a change in the resonant frequency within 10-15% of the fundamental frequency. At a fixed modulation frequency of 1200 MHz, a device for smoothly changing the modem frequency within 150-180 MHz should be install on the modem resonator.
The issues of changing the resonant frequency of coaxial and biaxial resonators when dielectrics are introduce into the free volume of the resonators are considered. The derived main dependences show that the distribution of the field lines E does not shift, the dependence of the resonator frequency change on the location of the dielectric is also derive, which allows determining the range of tuning of the resonant frequency, which also depends on the type and volume of the introduced dielectric.
Problems of change in the resonant frequency of the coaxial and biaxial resonators when the free volume cavities are introduced dielectrics. Derived basic relations show that it does not shift the distribution of the field lines E, also derived the dependence of the frequency of the resonator on the location of the dielectric, which allows determining the tuning range of the resonance frequency. The tuning range is also dependent on the type and volume of injected dielectric.
